University of Cambridge > Talks.cam > Quaternary Discussion Group (QDG) > A comprehensive climate history of the last 800,000 years and its application to ecological modelling

A comprehensive climate history of the last 800,000 years and its application to ecological modelling

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Understanding ecosystems and their evolution through the climate of the Pleistocene ice ages requires detailed palaeo-climate reconstructions. Global climate models (GCM) are frequently used to explore the many diverse aspect of past climates. However, due to their high computational demand a continuous and spatially detailed exploration of the past remains elusive. In this talk, I will present a GCM emulator, which is based on climate snapshot simulations of the last 120ka, that allows us to reconstruct the climate of the last 800,000 years (and beyond) in a quasi-continuous way. I will show how the predictive skill of the GCM emulator can be tested against existing Pleistocene climate proxies and I will present a few highlights of how such an emulator can be used for ecological modelling, for example, the dispersal of anatomically modern humans out of Africa.

This talk is part of the Quaternary Discussion Group (QDG) series.

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